# Children’s Mercy CHAMP App vs PREP Self

The clearest difference is rating: Children’s Mercy CHAMP App at 5.0 against PREP Self's 3.7. PREP Self's advantage is update cadence (daily vs every 2 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Children’s Mercy CHAMP App holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: PREP Self has 9 ratings behind it against 1, so its average is the more settled of the two.

Children’s Mercy CHAMP App ships an update every 2 months, PREP Self daily. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Children’s Mercy CHAMP App | PREP Self |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/childrens-mercy-champ-app/id1462665594/reviews)** | [3.7 (9 ratings)](https://appshunter.io/ios/app/prep-self-assessments-program/id6756599702/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | Free |
| Size | 87 MB | 44 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Children's Mercy Hospital](https://appshunter.io/developer/404104913) | [American Academy of Pediatrics](https://appshunter.io/developer/409863343) |

## What reviewers say

### Children’s Mercy CHAMP App

[App page](https://appshunter.io/ios/app/childrens-mercy-champ-app/id1462665594)

This investigational app assists parents of children with complex diseases in communicating health information to their healthcare team. It is designed for use within specific research studies and is not for emergencies or real-time monitoring.

**Highlights:** Health information sharing, Communication with healthcare team, Supports children with complex diseases, Available in eleven languages, Investigational device for research studies

**In-app purchases:** none


### PREP Self

[App page](https://appshunter.io/ios/app/prep-self-assessments-program/id6756599702)

Access trusted pediatric learning content through a new mobile app. Build a personalized question bank by selecting blocks from various content areas to fit your learning style and schedule. Earn CME credits and MOC points with each block.

**Highlights:** Trusted PREP content, Customizable question bank, Case-based questions, Earn CME credits, Earn MOC points, Modern user interface

**In-app purchases:** none


## Frequently asked questions

### Is Children’s Mercy CHAMP App free?

Children’s Mercy CHAMP App is free to download, with no in-app purchases.

### Is PREP Self free?

PREP Self is free to download, with no in-app purchases.

### Which has better reviews, Children’s Mercy CHAMP App or PREP Self?

Children’s Mercy CHAMP App is rated higher. Children’s Mercy CHAMP App averages 5.0 out of 5 from 1 ratings, while PREP Self averages 3.7 from 9 ratings.

### Do Children’s Mercy CHAMP App or PREP Self have ads?

Neither Children’s Mercy CHAMP App nor PREP Self shows ads.

### Which is updated more often, Children’s Mercy CHAMP App or PREP Self?

Children’s Mercy CHAMP App ships an update every 2 months, and PREP Self daily. Most recently, Children’s Mercy CHAMP App was updated on October 16, 2026 and PREP Self on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*